Will a dyeing rabbit die soon?what do you think of someone who dyes the rabbit?

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To be honest,I am extremly ashamed of some Chinese merchandiser who dyed their rabbits into some colors in order to sell them well in the market.I recently heard that as long as the rabbit is dyed it will die soon because of the harm caused by the dyeing materials which will lead to some condition such as itchy or burned skin. Someone also told me the rabbit will die immediatelt if it eat the dyeing material on its body,it's terrible and cruel! what do you think of this immoral thing and could you please tell me some common knowledge about what kind of negative effect and harm will the dyeing have on rabbits? Thanks